Phlexy Vitamin Tablets are a Food for Special Medical Purposes for use under medical supervision. Tablets containing vitamins, trace elements, calcium, phosphorus and magnesium. Part of the Phlexy-10 system. Phlexy Vits may be used as the vitamin, mineral and trace element component of restricted therapeutic diets and has been designed to meet the micronutrient requirements of older children (from approximately 11 years) and adults.